Toroidal core
[電] 環狀鐵心
?? 詞語組成解析
[計] 環形的
core
[k?:]
n. 中心，核心，精髓;果心，果核;[地質學]地核;[計] 磁心;
vt. 去（果）核，挖去…的果心;提取巖芯（樣品）;
??? 情景例句
The belief crisis occurring in the younger generation may turn out to be a big problem.
年輕一代的信仰危機很可能演化成為一個大問題。
You have to be operated on.
你得做手術。
Cave exploration, or pot-holing, as it has come to be known, is a relatively new sport.
洞穴勘查——或洞穴勘探——是一項比較新的體育活動。